Philips CDR796 Service Manual page 25

SERVICE TESTPROGRAM
SERVICE TESTPROGRAM
CD MODULE
CD MODULE
CD
LOADER TEST
N
ALBUM + button
CD
pressed?
Insert CD-DA disc
Y
before starting the test
The test is performed by
playing 5s at beginning,
5s in the middle and 5s at
the end of the disc.
Display shows actual
playing time.
Display shows:
N
TEST O.K.?
BERR 1
Y
Display shows:
PASSED
for 3s
Exit CD electrical Test
CDR79x CD servtest, 240402
5-9
To enter Service
Testprogram hold
PLAY & REC buttons
depressed while
plugging mainscord in.
Display shows
version number
of the P - software.
S-CDR795-VXX
TRAY TEST
CD T button N
pressed?
N
Y
Exit CD electrical Test
* To leave Service Testprogram plug mains cord off.
* In the main menu the sound settings (volume, ...)
and trays work as in normal mode.
S
stands for Service mode
VXX
stands for Version number
of the software used in the
Front (Display) P.
CD
MECHANICAL TEST
S button
CD
for visual inspection only
pressed?
Y
It is recommended to enter the mech. tests
Display shows:
in the sequence as drawn below.
Otherwise it might happen that the one
CD ME TEST
or the other test will not be activated electrically.
2)
TURNTABLE FOCUS TEST
TEST
N PLAY button
CD
OPEN/CLOSE button ALBUM - button
CD
pressed?
pressed? pressed?
Y Y Y
Tray opens. Turntable motor Objective moves
is switched on. continuously up/down.
Display shows:
OPEN
Display shows: Display shows:
DISC FOCUS
(even when tray is blocked)
N N
CD PLAY button
OPEN/CLOSE button ALBUM - button
CD
pressed?
pressed? pressed?
Y Y Y
Tray closes.
Turntable motor Focus servo
Display shows:
CLOSE is switched off. is switched off.
(even when tray is blocked)
2)
Move slide manually backwards to get view of the pickup.
5-9
N
2)
SLIDE TEST
N N STOP button N
ALBUM + button
CD
pressed?
pressed?
Y Y
Slide moves
Exit CD Mech. Tests
continuously in/out.
Display shows:
SLIDE
N N
ALBUM + button
CD
pressed?
Y
Slide moves to inner
position.